KR20040096100A - 누설전류 저감 기법을 이용한 다결정 실리콘 태양전지 및그 제조방법 - Google Patents
누설전류 저감 기법을 이용한 다결정 실리콘 태양전지 및그 제조방법 Download PDFInfo
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- KR20040096100A KR20040096100A KR1020030028919A KR20030028919A KR20040096100A KR 20040096100 A KR20040096100 A KR 20040096100A KR 1020030028919 A KR1020030028919 A KR 1020030028919A KR 20030028919 A KR20030028919 A KR 20030028919A KR 20040096100 A KR20040096100 A KR 20040096100A
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- 229910021420 polycrystalline silicon Inorganic materials 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims description 39
- 239000000758 substrate Substances 0.000 claims abstract description 42
- 238000005530 etching Methods 0.000 claims abstract description 11
- 230000003667 anti-reflective effect Effects 0.000 claims abstract 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 238000007650 screen-printing Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000001039 wet etching Methods 0.000 claims description 5
- 229960004592 isopropanol Drugs 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 claims description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N titanium(IV) isopropoxide Chemical compound CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
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- 239000000356 contaminant Substances 0.000 claims description 3
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- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 3
- 239000012498 ultrapure water Substances 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000004528 spin coating Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims 21
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 4
- 239000006117 anti-reflective coating Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052710 silicon Inorganic materials 0.000 abstract description 11
- 239000010703 silicon Substances 0.000 abstract description 11
- 230000009467 reduction Effects 0.000 abstract description 9
- 239000010408 film Substances 0.000 description 18
- 238000006243 chemical reaction Methods 0.000 description 17
- 239000013078 crystal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 7
- 229910052739 hydrogen Inorganic materials 0.000 description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
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- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000005536 corrosion prevention Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000010893 electron trap Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
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- 238000009501 film coating Methods 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
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- 239000013535 sea water Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/06—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices characterised by potential barriers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
Description
Claims (9)
- 다결정 실리콘 결정입계(210,220,230)를 갖는 p-형 다결정 실리콘 기판(100)을 식각한 후, 상기 기판(100)의 전면 및 후면에 n-형 도핑층(300, 310)을 형성하고, 상기 기판(100)의 전면에 형성된 n-형 도핑층(300) 상단에는 평탕화된 반사방지막층(600)을 피복하고 상기 기판(100)의 후면에 형성된 n-형 도핑층(310)에는 BSF층(400)과 후면전극층(500)을 함께 형성하고, 상기 기판(100)의 전면에는 그리드 핑거 전극(710, 720)과 그리드 버스바아(busbar) 전극(730)을 인쇄하여 형성하는 것을 특징으로 하는 다결정 실리콘 태양전지.
- 제 1항에 있어서,상기 그리드 핑거 전극 및 그리스 버스바아 전극은 은(Ag)으로 제조되고, 상기 후면전극은 알루미늄(Al)으로 제조되는 것을 특징으로 하는 다결정 실리콘 태양전지.
- 다결정 입계(210, 220, 230)를 갖는 p-형 다결정 실리콘 기판(100)을 준비하는 단계;상기 다결정 실리콘 기판(100)상에 잔존하고 있는 오염물질을 세정하고, 결정입계(210, 220, 230)를 식각하는 습식에칭 단계;습식에칭 후에 초순수 물로 세정하고 건조하는 단계;POCl3와 질소, 산소를 함께 공급하여 상기 다결정 실리콘 기판(100)상에 n-형층(300, 310)을 형성하는 단계;후면에 알루미늄 금속을 증착하여 600??에서 열처리를 하여 P+의 BSF층(400)과 후면전극층(500)을 동시에 형성시키는 단계;절연기능과 반사방지막 기능을 동시에 수행하기 위해 평탄화된 반사방지막층(600)을 형성하는 단계;상기 p-형 다결정 실리콘 기판(100)의 전면에 Ag 전극으로 그리드 핑거(710, 720)와 그리드 버스바아(730)를 스크린 인쇄를 통해서 형성하는 단계; 및온도를 조절하여 건조 후에 n-형 도핑층(300)과 전극(710, 720, 730)이 접촉되도록 740℃ 이상으로 가열하는 단계;를 포함하는 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 다결정 실리콘 기판(100)은 두께가 350∼450㎛ 범위값을 가지고, 비저항은 0.1∼10 Ω-cm의 값을 가지는 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 n-형층을 형성하는 단계는 상기 다결정 실리콘 기판을 850℃ 이상의 온도에서 25분간 확산처리하고, 태양전지 가장자리 측면의 n-형 층을 분리하는 단계를 포함하는 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 평탄화된 반사방지막층(600)을 형성하는 단계에서, 반사방지막층 형성물질은 티타늄 이소 프로포옥사이드(Titanium Iso propoxide[(CH3)2CH)]4Ti), 이소-프로필 알코올(IPA: Iso-Propyl Alcohol) 및 염산(HCl)을 혼합한 용액인 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 평탄화된 반사방지막층(600)을 형성하는 단계에서, 반사방지막층 형성물질은 세륨산화물(Cerium oxide), 질산(HNO3) 및 염산(HCl)을 혼합한 용액인 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 평탄화된 반사방지막층(600)을 형성하는 단계에서, 반사방지막층의 코팅은 스프레이코팅방식에 의해 실행되는 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
- 제 3항에 있어서,상기 평탄화된 반사방지막층(600)을 형성하는 단계에서, 반사방지막층의 코팅은 스핀코팅방식에 의해 실행되는 것을 특징으로 하는 다결정 실리콘 태양전지 제조방법.
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KR101453086B1 (ko) * | 2007-11-27 | 2014-10-27 | 엘지전자 주식회사 | 태양전지의 제조방법 |
KR101447433B1 (ko) * | 2007-12-28 | 2014-10-10 | 주성엔지니어링(주) | 기판형 태양전지 및 그 제조방법 |
KR101736970B1 (ko) | 2010-12-17 | 2017-05-30 | 삼성전자주식회사 | 그래핀 전자 소자 및 제조방법 |
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